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Waiting until two async blocks are executed before starting another block
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305
Use dispatch groups: see here for an example, "Waiting on Groups of Queued Tasks" in the "Disp...
What is the difference between HTTP status code 200 (cache) vs status code 304?
... cached objects were still stored in local cache and had not yet expired.
304s, on the other hand, are the response of the server after the browser has checked if a file was modified since the last version it had cached (the answer being "no").
For most optimal web performance, you're best off set...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
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370
I tried once to write about this, but I gave up in the end, as the rules are somewhat diffuse....
Why does CSS work with fake elements?
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edited Jun 3 '14 at 15:09
BoltClock♦
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How would you implement an LRU cache in Java?
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edited Aug 10 '10 at 16:36
answered Dec 23 '09 at 15:43
H...
Javascript calculate the day of the year (1 - 366)
How do I use javascript to calculate the day of the year, from 1 - 366? For example:
22 Answers
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Get index of array element faster than O(n)
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edited Feb 13 '13 at 0:37
answered Jun 5 '11 at 10:41
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Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
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edited Dec 21 '16 at 0:33
answered Mar 13 '12 at 19:48
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LINQ where vs takewhile
...d find all elements matching the condition
var intList = new int[] { 1, 2, 3, 4, 5, -1, -2 };
Console.WriteLine("Where");
foreach (var i in intList.Where(x => x <= 3))
Console.WriteLine(i);
Console.WriteLine("TakeWhile");
foreach (var i in intList.TakeWhile(x => x <= 3))
Console....